"The argument of this book compares and contrasts the principal existing explanations of the occurrence of economic crisis; submits reasons fro rejecting all except one of these explanations [the Marxian]"--Pref. pt. 1. Capitalist theories of crisis.- pt. 2. From political economy to economics.- pt. 3. The labour theory of value.- pt. 4. Marx's theory of capitalist crisis.- pt. 5. The theory applied.